Skip to main content

Advertisement

Table 2 Test-retest Reliability for the CASIS Scores in Stable Patients with Asthma or COPD

From: Development and psychometric assessment of the COPD and Asthma Sleep Impact Scale (CASIS)

CASIS N Visit 1 Mean (SD) Visit 2 Mean (SD) Difference Score P-Value1 Pearson's r2 ICC3
COPD Participants 112 47.1 (24.0) 45.7 (23.5) -1.5 0.2443 0.85 0.84
Asthma Participants 61 44.8 (27.2) 42.0 (26.6) -2.7 0.1703 0.84 0.84
  1. 1 Paired t-tests comparing responses at baseline and follow-up
  2. 2 Pearson product moment correlations
  3. 3 Intraclass correlation coefficient